CN108211446A - A kind of environmental protection layered filtration device - Google Patents
A kind of environmental protection layered filtration device Download PDFInfo
- Publication number
- CN108211446A CN108211446A CN201711388423.5A CN201711388423A CN108211446A CN 108211446 A CN108211446 A CN 108211446A CN 201711388423 A CN201711388423 A CN 201711388423A CN 108211446 A CN108211446 A CN 108211446A
- Authority
- CN
- China
- Prior art keywords
- water tank
- block
- filtration device
- filtration members
- environmentally friendly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 78
- 230000007613 environmental effect Effects 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 61
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 244000309464 bull Species 0.000 claims abstract description 12
- 241000883990 Flabellum Species 0.000 claims abstract description 8
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 19
- 238000005516 engineering process Methods 0.000 abstract description 4
- 210000002683 foot Anatomy 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
- B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/90—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for feeding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/40—Special measures for connecting different parts of the filter
Abstract
The present invention provides a kind of environmentally friendly layered filtration device, is related to environmental technology field.The environmental protection layered filtration device, including water tank, the bottom of the water tank is installed with feet, inlet tube is communicated at the top of the water tank, the side of the water tank is communicated with outlet tube, outlet tube is internally provided with valve, and accumulator is installed at the top of the water tank, solar energy electroplax is installed at the top of the accumulator.The environmental protection layered filtration device, the rotation of flabellum is driven by bull stick by motor, accelerates the flowing of flow, liquid to be filtered is made to pass through filtration members, help speed up the filtering of liquid, there is provided three layer filtration parts to be filtered liquid, and filter effect more preferably, and is provided with solar energy electroplax, by absorbing sunlight, solar radiant energy is converted directly or indirectly into electric energy by photoelectric effect or photochemical effect and provides power supply for motor, it is more environmentally friendly without in addition powering on.
Description
Technical field
The present invention relates to environmental technology field, specially a kind of environmentally friendly layered filtration device.
Background technology
It usually needs to be filtered it processing during wastewater treatment, filter plant currently on the market is mostly single layer filter side
Formula, filter effect is bad, and is filtered by the mode for flowing through filter device of liquid itself, and efficiency is slower, extends useless
The water filtration time has seriously affected the filtration treatment efficiency of waste water.
Invention content
（One）The technical issues of solution
In view of the deficiencies of the prior art, the present invention provides a kind of environmentally friendly layered filtration device, it is more to solve existing filter device
For individual layer, and the problem of filter efficiency is bad.
（Two）Technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs：A kind of environmental protection layered filtration device, including water
Case, the bottom of the water tank are installed with feet, and inlet tube, the side connection of the water tank are communicated at the top of the water tank
There is outlet tube, outlet tube is internally provided with valve, accumulator, the top of the accumulator are installed at the top of the water tank
Portion is installed with solar energy electroplax, and side of the water tank far from outlet tube is installed with motor by fixed plate.
The control panel of the motor and peripheral hardware is electrically connected, and the output shaft of the motor and one end of bull stick are welded, institute
The other end of bull stick is stated through the side wall of water tank and extends to the inside of water tank and switch block welds, the sidewall weld of the switch block has
Flabellum, the top of the water tank is inserted with filtration members, inner wall both sides of the water tank and bottom is installed with and filtration members
The card slot being adapted.
The filtration members include strainer, and the side wall of the strainer is provided with frame, is fixed at the top center of the frame
Handle is installed, the top both sides of the frame are installed with fixture block, are installed at the top of the water tank and fixture block phase
The fixed block of adaptation, through there is telescopic rod, the one end of the telescopic rod far from handle is welded with block for the inside of the fixed block,
The telescopic rod is arranged with resetting spring close to one end of handle and the sidewall weld of annulus block, the outer surface of the telescopic rod,
The bottom of the smooth block is welded with press block.
The mortgage block includes boom and sleeve, and the top of the boom through the bottom of sleeve and extends to the interior of sleeve
Portion and the bottom of limiting plate are welded, and the top of the limiting plate and the bottom of spring are welded, the top of the spring and sleeve
It is welded at the top of inner wall.
Preferably, the quantity of the feet is four, and the feet that quantity is four is respectively arranged at the four of water tank bottom
Angle.
Preferably, the filtration members and the quantity of card slot are three, and filtration members and card slot that quantity is three are equidistantly set
It is placed in the inside of water tank.
Preferably, the fixture block is inverted L shape, and two fixture blocks are directed to the side being located remotely from each other.
Preferably, the resetting spring is between fixed block and smooth block.
Preferably, the aperture of strainer set inside three filtration members is from left to right gradually reduced.
（Three）Advantageous effect
The present invention provides a kind of environmentally friendly layered filtration devices.What is had has the beneficial effect that：
1st, the environmental protection layered filtration device is driven the rotation of flabellum by bull stick by motor, accelerates the flowing of flow, make to treat
Filtrate body helps speed up the filtering of liquid, there is provided three layer filtration parts to be filtered liquid, filter effect by filtration members
More preferably, and there is provided solar energy electroplax, and by absorbing sunlight, solar radiant energy is passed through photoelectric effect or photochemical effect
It is converted directly or indirectly into electric energy and provides power supply for motor, it is more environmentally friendly without in addition powering on.
2nd, the card slot of setting reduces the gap of filtration members and water tank, and sundries is avoided to be flowed out by gap, influences filtering effect
Fruit, the frame of setting open up fluted close to the side of strainer, and sundries can be collected, can be by its band when hauling out filtration members
Go out, convenient for clearing up the residue inside water tank, filtration members are inserted into the inside of water tank during installation, and fixture block contacts general with smooth block
Telescopic rod is pushed to the side far from filtration members, and when fixture block is moved to the bottom of press block, press block is in compressive state, to mistake
Filter part has the force being pressed down against always, and the inside that filtration members are fixed on water tank is made more to stablize.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is filtration members of the present invention and card slot connection diagram；
Fig. 3 is filtration members structure diagram of the present invention；
Fig. 4 is press block connection diagram of the present invention；
Fig. 5 is press block internal structure schematic diagram of the present invention.
In figure：1 water tank, 2 feets, 3 inlet tubes, 4 outlet tubes, 5 valves, 6 accumulators, 7 solar energy electroplax, 8 fixed plates, 9
Motor, 10 bull sticks, 11 switch blocks, 12 flabellums, 13 card slots, 14 filtration members, 15 frames, 16 strainers, 17 handles, 18 fixture blocks, 19 are fixed
Block, 20 telescopic rods, 21 blocks, 22 smooth blocks, 23 resetting springs, 24 press blocks, 24 booms, 26 sleeves, 27 limiting plates, 28 bullets
Spring.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the present invention provides a kind of environmentally friendly layered filtration device, as shown in Figs. 1-5, including water tank 1, the bottom of water tank 1
Portion is installed with feet 2, and the quantity of feet 2 is four, and the feet 2 that quantity is four is respectively arranged at 1 bottom of water tank
Quadrangle, feet 2 are made of rubber material, increase the device and the contact frictional resistance on ground, difficult to slide, while rubber has
There is good damping performance, vibration that can be to being generated during filtering makes it more stablize, the top of water tank 1 into row buffering energy dissipating
Inlet tube 3 is communicated with, the side of water tank 1 is communicated with outlet tube 4, and outlet tube 4 is internally provided with valve 5, and the setting of valve 5 makes
The liquid delivery flow of filtering can control, and easily facilitate the progress of filtering, and the top of water tank 1 is installed with accumulator 6, electric power storage
The top in pond 6 is installed with solar energy electroplax 7, and solar energy electroplax 7 is by absorbing sunlight, and solar radiant energy is passed through light
Electrical effect or photochemical effect are converted directly or indirectly into the device of electric energy, and the main material of most of solar panel is
" silicon, side of the water tank 1 far from outlet tube 4 are installed with motor 9 by fixed plate 8.
The control panel of motor 9 and peripheral hardware is electrically connected, the model Y100L2-4-3 of motor 9, the output shaft of motor 9 with
Anti-seeping technology is done in the junction of one end welding of bull stick 10, bull stick 10 and water tank 1, and the other end of bull stick 10 runs through the side of water tank 1
Wall and extend to the inside of water tank 1 and switch block 11 welds, the sidewall weld of switch block 11 has a flabellum 12, the top of water tank 1 inserted with
Filtration members 14, the inner wall both sides of water tank 1 and bottom are installed with the card slot 13 being adapted with filtration members 14,14 He of filtration members
The quantity of card slot 13 is three, and filtration members 14 and card slot 13 that quantity is three are placed equidistant in the inside of water tank 1, motor 9
The rotation of flabellum 12 is driven by bull stick 10, accelerates the flowing of flow, liquid to be filtered is made to pass through filtration members 14, is helped speed up
The filtering of liquid, there is provided three layer filtration parts 14 to be filtered liquid, and filter effect more preferably, and is provided with solar energy electroplax 6,
By absorbing sunlight, solar radiant energy is converted directly or indirectly into electric energy as electricity by photoelectric effect or photochemical effect
Machine 9 provides power supply, more environmentally friendly without in addition powering on.
Filtration members 14 include strainer 16, and the aperture of strainer 16 that three 14 inside of filtration members are set from left to right gradually subtracts
Small, the side wall of strainer 16 is provided with frame 15, handle 17 is installed at the top center of frame 15, the setting of handle 17 is just
In the lifting to filtration members 14, the top both sides of frame 15 are installed with fixture block 18, and fixture block 18 is inverted L shape, and two
A fixture block 18 is directed to the side being located remotely from each other, and the top of water tank 1 is installed with the fixed block 19 being adapted with fixture block 18, Gu
The inside of block 19 is determined through there is telescopic rod 20, and the one end of telescopic rod 20 far from handle 17 is welded with block 21, and telescopic rod 20 is close
One end of handle 17 and the sidewall weld of annulus block 22, the outer surface of telescopic rod 20 is arranged with resetting spring 23, resetting spring 23
Between fixed block 19 and smooth block 22, resetting spring 23 makes smooth block 22 have always to close to the direction of 17 side of handle
Movement, the bottom of smooth block 22 are welded with press block 24, and the card slot 13 of setting reduces the gap of filtration members 14 and water tank 1, keeps away
Exempt from sundries to flow out by gap, influence filter effect, the frame 15 of setting opened up close to the side of strainer 16 it is fluted, can be to miscellaneous
Object is collected, and can be taken it out when hauling out filtration members 14, convenient for clearing up the residue inside water tank 1, mistake during installation
The inside that part 14 is inserted into water tank 1 is filtered, fixture block 18 is contacted with smooth block 22 pushes telescopic rod 2 to the side far from filtration members 14,
When fixture block 18 is moved to the bottom of press block 24, press block 24 is in compressive state, has always to filtration members 14 and is pressed down against
Force, filtration members 14 is made to be fixed on the inside of water tank 1 and are more stablized.
It mortgages block 24 and includes boom 25 and sleeve 26, the top of boom 25 through the bottom of sleeve 26 and extends to sleeve 26
The bottom of inside and limiting plate 27 weld, the top of limiting plate 27 is welded with the bottom of spring 28, the top of spring 28 and set
It is welded at the top of the inner wall of cylinder 26.
Operation principle：Filtration members 14 are inserted into the inside of water tank 1 during installation, and fixture block 18 is contacted with smooth block 22 by telescopic rod 2
It is pushed to the side far from filtration members 14, when fixture block 18 is moved to the bottom of press block 24, press block 24 is in compressive state, right
Filtration members 14 have the force being pressed down against always, and the inside that filtration members 14 are fixed on water tank 1 is made more to stablize.
In conclusion the environmental protection layered filtration device, the rotation of flabellum 12 is driven by motor 9 by bull stick 10, accelerate
The flowing of flow makes liquid to be filtered pass through filtration members 14, helps speed up the filtering of liquid, and there is provided three layer filtration part 14 is right
Liquid is filtered, and filter effect more preferably, and is provided with solar energy electroplax 6, and by absorbing sunlight, solar radiant energy is passed through
Photoelectric effect or photochemical effect are converted directly or indirectly into electric energy and provide power supply for motor 9, without in addition powering on, more
The environmental protection added.
Also, the card slot 13 of setting reduces the gap of filtration members 14 and water tank 1, sundries is avoided to be flowed out by gap, shadow
Ring filter effect, the frame 15 of setting opens up fluted close to the side of strainer 16, and sundries can be collected, haul out filtration members
It can be taken it out when 14, convenient for clearing up the residue inside water tank 1, filtration members 14 are inserted into the inside of water tank 1 during installation,
Fixture block 18 is contacted with smooth block 22 pushes telescopic rod 2 to the side far from filtration members 14, and fixture block 18 is moved to press block 24
During bottom, press block 24 is in compressive state, has the force being pressed down against always to filtration members 14, is fixed on filtration members 14
More stablize the inside of water tank 1.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property includes, so that process, method, article or equipment including a series of elements not only include those elements, and
And it further includes other elements that are not explicitly listed or further includes intrinsic for this process, method, article or equipment institute
Element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of environmental protection layered filtration device, including water tank（1）, it is characterised in that：The water tank（1）Bottom be installed with
Feet（2）, the water tank（1）Top be communicated with inlet tube（3）, the water tank（1）Side be communicated with outlet tube（4）, go out
Liquid pipe（4）Be internally provided with valve（5）, the water tank（1）Top be installed with accumulator（6）, the accumulator（6）
Top be installed with solar energy electroplax（7）, the water tank（1）Far from outlet tube（4）Side pass through fixed plate（8）It is fixed
Motor is installed（9）；
The motor（9）It is electrically connected with the control panel of peripheral hardware, the motor（9）Output shaft and bull stick（10）One end weldering
It connects, the bull stick（10）The other end run through water tank（1）Side wall and extend to water tank（1）Inside and switch block（11）Welding,
The switch block（11）Sidewall weld have flabellum（12）, the water tank（1）Top inserted with filtration members（14）, the water tank
（1）Inner wall both sides and bottom is installed with and filtration members（14）The card slot being adapted（13）；
The filtration members（14）Including strainer（16）, the strainer（16）Side wall be provided with frame（15）, the frame（15）
Top center at be installed with handle（17）, the frame（15）Top both sides be installed with fixture block（18）, it is described
Water tank（1）Top be installed with and fixture block（18）The fixed block being adapted（19）, the fixed block（19）Inside run through
There is telescopic rod（20）, the telescopic rod（20）Far from handle（17）One end be welded with block（21）, the telescopic rod（20）It leans on
Nearly handle（17）One end and annulus block（22）Sidewall weld, the telescopic rod（20）Outer surface be arranged with resetting spring
（23）, the smooth block（22）Bottom be welded with press block（24）；
The mortgage block（24）Including boom（25）And sleeve（26）, the boom（25）Top run through sleeve（26）Bottom
And extend to sleeve（26）Inside and limiting plate（27）Bottom welding, the limiting plate（27）Top and spring（28）'s
Bottom is welded, the spring（28）Top and sleeve（26）Inner wall at the top of weld.
2. a kind of environmentally friendly layered filtration device according to claim 1, it is characterised in that：The feet（2）Quantity be
Four, and the feet that quantity is four（2）It is respectively arranged at water tank（1）The quadrangle of bottom.
3. a kind of environmentally friendly layered filtration device according to claim 1, it is characterised in that：The filtration members（14）And card slot
（13）Quantity for three, and filtration members that quantity is three（14）And card slot（13）It is placed equidistant in water tank（1）Inside.
4. a kind of environmentally friendly layered filtration device according to claim 1, it is characterised in that：The fixture block（18）It is inverted
L shape, and two fixture blocks（18）It is directed to the side being located remotely from each other.
5. a kind of environmentally friendly layered filtration device according to claim 1, it is characterised in that：The resetting spring（23）It is located at
Fixed block（19）And smooth block（22）Between.
6. a kind of environmentally friendly layered filtration device according to claim 3, it is characterised in that：Three filtration members（14）It is interior
The strainer of portion's setting（16）Aperture be from left to right gradually reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711388423.5A CN108211446B (en) | 2017-12-20 | 2017-12-20 | A kind of environmental protection layered filtration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711388423.5A CN108211446B (en) | 2017-12-20 | 2017-12-20 | A kind of environmental protection layered filtration device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108211446A true CN108211446A (en) | 2018-06-29 |
| CN108211446B CN108211446B (en) | 2019-11-29 |
Family
ID=62652604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711388423.5A Active CN108211446B (en) | 2017-12-20 | 2017-12-20 | A kind of environmental protection layered filtration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108211446B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110465198A (en) * | 2019-08-21 | 2019-11-19 | 安徽智泓净化科技股份有限公司 | A kind of ultrasonic wave of membrane module is just permeating on-line cleaning method and device |
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| CN107083278A (en) * | 2017-05-31 | 2017-08-22 | 湖南神农国油生态农业发展有限公司 | A kind of tea oil produces multi-layer filtrating equipment |
| CN107233757A (en) * | 2017-07-20 | 2017-10-10 | 厦门市海德龙电子股份有限公司 | A kind of particle machine impurity screening device |
| CN107344033A (en) * | 2016-05-04 | 2017-11-14 | 邓悦 | A kind of filtering ponds of sewage disposal |
| CN206642427U (en) * | 2017-04-06 | 2017-11-17 | 嵊州市多升金净水设备有限公司 | A kind of purifier screen pack of convenient dismounting |
-
2017
- 2017-12-20 CN CN201711388423.5A patent/CN108211446B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107344033A (en) * | 2016-05-04 | 2017-11-14 | 邓悦 | A kind of filtering ponds of sewage disposal |
| CN206642427U (en) * | 2017-04-06 | 2017-11-17 | 嵊州市多升金净水设备有限公司 | A kind of purifier screen pack of convenient dismounting |
| CN107083278A (en) * | 2017-05-31 | 2017-08-22 | 湖南神农国油生态农业发展有限公司 | A kind of tea oil produces multi-layer filtrating equipment |
| CN107233757A (en) * | 2017-07-20 | 2017-10-10 | 厦门市海德龙电子股份有限公司 | A kind of particle machine impurity screening device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110465198A (en) * | 2019-08-21 | 2019-11-19 | 安徽智泓净化科技股份有限公司 | A kind of ultrasonic wave of membrane module is just permeating on-line cleaning method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108211446B (en) | 2019-11-29 |
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Effective date of registration: 20191106 Address after: No.262, Lane 416, Zhaohui Road, Yinzhou District, Ningbo, Zhejiang Province (9-7) Applicant after: NINGBO BLUE ENVIRONMENT SCIENCE AND TECHNOLOGY LIMITED COMPANY Address before: 528100 No. 1, No. 2, Second Floor, No. 3 Commercial Road, Southwest Street, Sanshui District, Foshan City, Guangdong Province Applicant before: Foshan Bei Shang Li environmental protection & Technology Co., Ltd. |
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